Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12175550 | Enhanced teaching method and security protocol in testing students | — | 2024-12-24 |
| 11669923 | Enhanced teaching method and security protocol in testing students | — | 2023-06-06 |
| 10465681 | Pump with a resilient seal | Richard Paul Hayes-Pankhurst | 2019-11-05 |
| 9968886 | Dual catalyst heating system | Mario Balenovic, Felix Goebel, Matthew Allen Schneider, Martina Reichert, Frederik De Smet | 2018-05-15 |
| 9175681 | Pump with a resilient seal | Richard Paul Hayes-Pankhurst | 2015-11-03 |
| 8969738 | Port for inhibiting electromagnetic radiation | — | 2015-03-03 |
| D571611 | Heater | — | 2008-06-24 |
| D563162 | Heater | — | 2008-03-04 |
| D557981 | Heater | — | 2007-12-25 |
| D547117 | Heater | — | 2007-07-24 |
| 6820198 | Encryption via user-editable multi-page file | — | 2004-11-16 |
| 5237650 | Method and apparatus for spatial anti-aliased depth cueing | Curtis Priem, Chris Malachowsky | 1993-08-17 |
| D321923 | Sand and water playbox | — | 1991-11-26 |
| 5047757 | Method of addressing a ferroelectric liquid crystal display | Matthew Bone, Ian Coulson, Johnathan R. Hughes, Frances C. Saunders, Paul W. H. Surguy | 1991-09-10 |
| 4917469 | Addressing liquid crystal cells | — | 1990-04-17 |
| 4909607 | Addressing liquid crystal cells | — | 1990-03-20 |
| 4793670 | Dynamic hologram recording | William Crossland, Neil Collings | 1988-12-27 |
| 4670654 | Thermal image sensor with means for converting a phase image into an insity modulated image | — | 1987-06-02 |
| 4653857 | Dynamic hologram recording | William Crossland, Neil Collings | 1987-03-31 |
| 4589734 | Polychromatic liquid crystal display with reflective electrode pads | Barbara Needham | 1986-05-20 |
| 4574282 | Coherent light image generation | William Crossland, Jack Peters, Peter J. Ayliffe | 1986-03-04 |
| 4511926 | Scanning liquid crystal display cells | William Crossland, Peter J. Ayliffe | 1985-04-16 |
| 4508427 | Liquid crystal display device | — | 1985-04-02 |